Re: [Qemu-devel] [PATCH] rbd:change error_setg() to error_setg_errno()

[Jeff Cody <jcody@redhat.com>]

On Thu, May 05, 2016 at 06:45:15PM +0100, Stefan Hajnoczi wrote:
> On Mon, May 02, 2016 at 09:55:17PM +0530, Vikhyat Umrao wrote:
> > From 1c63c246f47a1a65d8740d7ce3725fe3820c0a37 Mon Sep 17 00:00:00 2001
> > From: Vikhyat Umrao <vumrao@redhat.com>
> > Date: Mon, 2 May 2016 21:47:31 +0530
> > Subject: [PATCH] rbd:change error_setg() to error_setg_errno()
> > 
> > Ceph RBD block driver does not use error_setg_errno() where
> > it is possible to use. This patch replaces error_setg()
> > from error_setg_errno().
> > 
> > Signed-off-by: Vikhyat Umrao <vumrao@redhat.com>
> > ---
> >  block/rbd.c | 37 ++++++++++++++++++++++---------------
> >  1 file changed, 22 insertions(+), 15 deletions(-)
> > 
> > diff --git a/block/rbd.c b/block/rbd.c
> > index 5bc5b32..c286b32 100644
> > --- a/block/rbd.c
> > +++ b/block/rbd.c
> > @@ -290,7 +290,7 @@ static int qemu_rbd_set_conf(rados_t cluster, const
> > char *conf,
> >              if (only_read_conf_file) {
> >                  ret = rados_conf_read_file(cluster, value);
> >                  if (ret < 0) {
> > -                    error_setg(errp, "error reading conf file %s", value);
> > +                    error_setg_errno(errp, -ret, "error reading conf file
> > %s", value);
> 
> Please use scripts/checkpatch.pl to scan patches for coding style
> violations.  This line exceeds the maximum line length.


Also, if you can use something like git send-email, it formats the patch
emails much nicer -- which makes it easier to review & apply.

Thanks,
Jeff